Title

Wodonga City - DEM 

Time period

2017-01-252017-01-26 

Horizontal Accuracy

0.30m  

Vertical Accuracy

0.10m  

Code

MGA Zone 55 GDA94 

Title

ESRI Ascii 

Topic category

• Elevation

Use limitation

General 

Classification

Unclassified  

Description

The DEM was generated from the point cloud (class 2 - Ground). ArcGIS 9.2 Terrain Grids were derived using the Natural Neighbor interpolation. This method uses the closest triangles and applies weights to the proportionate areas from the grid cell centroid to interpolate the value. It uses known elevation data, it does not make any predictions regarding the surface and accurately depicts existing troughs and peaks in the data and supports irregular point spacing, which suits the nature LiDAR data. Hydro boundary polygons were incorporated into the LASD dataset. The LASD to DEM grid generation process was run with the hydro boundary polygons included. 

Classification

Unclassified  

Attribute Quality

Positional Accuracy

Conceptual Consistency

Comments

The data adheres to the logical rules of data structure, attribution and relationships as per project specifications. 

Missing Data

Comments

This dataset is complete with regards to the specified project extent. 

Excess Data

Platform Type

Aerial  

Assembly

Mosaic  

Tile Size

1 km  

Raster Type

DEM  

X Pixel Resolution (cm)

1cm  

Y Pixel Resolution (cm)

1cm  

Seamlessness

Full  

Number of Bands

1 

Band List

1  

Resampling Kernel

Nearest Neighbour  

Rectification Type

Not Entered  

Platform Name

Fixed Wing Aircraft  

DEM Creator

Supplier